How To Speed Up iOS4 On Your iPhone 3G Or 3GS
July 29, 2010 in Programming
If your iPhone 3G or 3GS has been running slow since the iOS4 update, this one modification has made a dramatic difference in how quickly my iPhone responds. This should tide you over until Apple figures out what the issue is.
1) Go to Settings > General
2) Click “Spotlight Search”
3) Uncheck everything
Finally, reboot your phone by holding the Home and Sleep/Wake buttons until the Apple logo comes on the screen.